Safety Flashcards
A worker’s personal safety is primarily whose responsibility?
Worker
Which workers have the highest rate of workplace accidents / incidents
Younger workers
What authorization do Workers Compensation Board officers have at the workplace?
Issue penalties for safety infractions
Inspect workplaces for safety issues
Issues orders specifying injury prevention measures
Slips trips and falls are mainly due to
Poor housekeeping / careless behaviour
Shoring or sloping is required over how many feet?
4 feet (1.2 meters)
How many feet above ground are the planks suppose to be?
1 foot
Trenches over 20’ requires who to supervise?
A professional engineer
What is the first thing you should do when someone is electrocuted?
Remove the power from the victim (turn off power)
De-energize circuit to help worker.
use a piece of wood to get them away from source.
When is compressed gas safe to use to use on workers body?
When it’s below 10 psi (70kPa) and PPE worn
What should you do if you see a trip hazard?
Remove it
What is the best option for installing pipe in loose, sandy soil to protect from a cave-in?
Hydraulic shoring
1) What type of injuries are included in Musculoskeletal injuries (MSI)?
2) What is the other term used for MSI?
1) muscles, tendons, ligaments, nerves, blood vessels, joints of the neck, shoulders, arms wrists, legs and back.
2) Repetitive Strain Injury
3) MSI result from overexertion or repetitive motion
At what decibels should ear protection be worn?
When there is a general or steady state noise of 85 decibels.
Earplugs or earmuffs
What kind of tools need a guard on them?
Tools with rotating parts
What should be made available for people in confined spaces?
1) An immediate means of communication to the standby person. The standby person must have a means to call rescue personnel.
What are the rules to ladder use?
1) Needs to have a 1:4 ratio. (For every 4 feet up, the ladder comes out 1 foot)
2) Needs to have 1m (3ft) above the upper landing.
Guardrail rules
Drop of 3m or more = top rail + mid-rail + tow boards, Guardrail = 40 - 44 in
What describes work that is performed close to an unrelated hazard?
Proximity work
What is needed when working with tools in wet conditions?
Ground Fault Circuit Interrupter (GFCI)
You have a tool you aren’t familiar with, what do you do?
Read owners manual + inform foreman that you need instruction
What do you do if a tool is faulty / damaged?
Tag it as broken + return to tool crib
Write NFG on it
What is the rule of thumb regarding power tools / safety guards?
Use. Them. Always.
What is not considered an elevated platform?
Mezzanine
True or False orientations /safety training must be documented.
True
True or False PPE is the last line of defence when protecting workers from hazards in the work place?
True
What do safety meetings (aka toolbox talks) include?
Reminders that health / safety are important
Should take place on site
Should include environment or site changes
What is hot work?
Any process or temporary work that could result in a fire
If you de-energize and lock out something what must you do when finished?
Remove your own lock.
Also make sure the breaker or switch is also turned off.
What is zero energy state?
Any piece of equipment that has been locked out or de-energized.
When don’t you need to lock out a plug?
When the male end is in view.
What factors can be used to assess a company’s insurance premiums?
Industry classification
company history
Employee’s history
When can a worker return to work after being on leave due to injury?
1) when case manager says it’s ok
2) If employer can provide moderate or light duty
3) When recovered from injury + safe to work again
An employer has how many days to report any injury to WorkSafe BC?
3 days
What level of government is responsible for creating WHMIS
Federal and Provincial
What do the letters in WHMIS stand for?
Workplace Hazardous Material Information System
Who is responsible for ensuring SDSs are available in the work area for all known hazardous?
Employer
What are the two groups of hazardous products?
Health and physical hazards
An O with fire around it, is what kind of pictogram?
Oxidizing Material (It’s Physical, Physical)
The pictogram that shows vials burning a hand and metal means what?
Corrosion
Health hazard
Ex: Hydrochloric acid
Pictogram of an exploding chest
Health hazard
Ex: Asbestos
How many classes of Physical Hazards are there?
18
How many Health Hazard classes are there?
12
Who is responsible for your safety and the safety of others?
You
What does the green triangle on your boots mean?
CSA approved logo
True or False: you should tuck your pant legs inside your boots when working near a torch or grinder.
FALSE
When must fall protection be warn?
When there is a chance of falling more than 10 feet
When is a full body harness worn?
For fall arrest
What is in air?
80% Nitrogen
20% Oxygen
What are the 3 combinations of a Fire Triangle?
Heat
Oxygen (Air)
Fuel
What are 3 ways to extinguish a fire?
Starvation
Cooling
Smothering
What class / colour includes fires involving ordinary combustibles?
Class A / green –> Papers + texture
What does a Yellow D star mean?
Combustible metals
Ex: magnesium
What must you never use to extinguish flammable liquid fires
Water
Use Class B extinguishers
What type of fire must you never use water to put it out?
Class C fire
Class A, B or C have what type of extinguisher?
Dry powders
Class B and C extinguishers use what to put out fires?
Carbon Dioxide (CO2)
If someone catches on fire what can you use to help put it out right of ways?
A fire blanket
When do extinguishers need to be maintenance?
Annually
What does PASS stand for?
Pull, Aim, Squeeze, Sweep.
What grade and load rating is a household ladder?
Grade:3
Load Rating: Light
What is the min required overlap for ladders extending up to 11m (36ft)
1m –> 39in –> 3ft
What is the min required overlap for a ladder extending bn 15m (48ft) - 22m (72ft)?
1.5 m –> 5ft
What is the height of a guardrail?
42 inches
Toe boards must be how high?
4 inches
Scaffold plank supports must be placed at least how many m (ft)?
3m (10ft)
What happens when the scaffold is more than 3 times the min base dimension?
The scaffold must be secured to the building.
How far past the edge must a ladder go when standing against a building?
1m (3ft)
True or False: Only use a transparent protective coating on ladders.
True. Do not paint a ladder with a colour,
What are the 2 categories ladders are classified into?
Access => Extension
Performance => Step Ladder
What are the min dimensions for the rungs on a jobsite constructed ladder?
1 x 4”
How much overlap is required on extension ladders?
36’ => 36” (3ft)
60’ => 60” (5ft)
What is a grade 3 light duty ladder?
a household ladder
What is the ratio of a horizontal to vertical dimension for an erect ladder?
1 (horizontal) : 4 (vertical)
formula: (depth height) / 4 = ? x 3 = add both sides together plus the bottom width.
What is the min width of a scaffold platform?
20 in
2 planks = 1 platform
How deep can a trench be dug before shoring or sloping is required?
Deeper than 4 ft.
Over what depth does a trench need to be supervised by an engineer?
20 ft
How far away does a ladder have to be when working in a trench?
25 ft
How far up do side planks go up to and how much room is on the bottom of a trench?
Top = 1 ft Bottom = 2ft
How often must SDS sheets be updated?
Every 3 years or 90 days if new info released.
What is the workers responsibilities when dealing with small amounts of a controlled substance?
Use only enough for one shift / place a workplace label to the container.
When must ear protection be worn?
Steady - state noise, levels in excess of 85 dB
What is Class A fire rating?
Ordinary combustion
Ex: Cloth, paper, plastic
What colour is a Class A fire rating?
Green
